___(having lost/ lost)in the mountains for a week,the 2 students were finally saved

___(having lost/ lost)in the mountains for a week,the 2 students were finally saved

题目
___(having lost/ lost)in the mountains for a week,the 2 students were finally saved
答案是lost 说lost 和the 2 students 是被动关系 但是为什么是被动关系不理解 迷路不是自己迷路的吗 难道是被迷路?
答案
lost
因为某人迷路了,要说sb.is Lost
注意:lost是个形容词,前面有个be动词
不能用having lost,因为少了be动词
但可以说:having been lost
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